Home / 22,771.24-31,423.34-16,800.76

Finding the Fourth Proportional to 22,771.24, 31,423.34 and 16,800.76

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Solution

The fourth proportional to 22,771.24, 31,423.34 and 16,800.76 is: 23,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.24 : 31,423.34 = 16,800.76 : x
  2. Step 2: Convert to fraction form
    22,771.24/31,423.34 = 16,800.76/x
  3. Step 3: Cross multiply
    22,771.24x = 31,423.34 × 16,800.76
  4. Step 4: Simplify right side
    22,771.24x = 527,935,993.74
  5. Step 5: Solve for x
    x = 527,935,993.74/22,771.24
  6. Step 6: Final answer
    x = 23,184.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.